(1992). Engineering The Human- Computer Interface Edited By Andy Downton. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEngineering The Human- Computer Interface Edited By Andy Downton. McGraw-Hill, 1992.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEngineering The Human- Computer Interface Edited By Andy Downton. McGraw-Hill, 1992.
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